Brewarrina Shire is a local government area in the Orana region of New South Wales, Australia.

The Shire is located adjacent to the Darling River, which is known as the Barwon River upstream from Bourke; and located adjacent to the Kamilaroi Highway.

The northern boundary of the Shire is located adjacent to the border between New South Wales and Queensland.

[3] Brewarrina Shire Council is composed of nine councillors elected proportionally as a single ward.

All councillors are elected for a fixed four-year term of office.